Beautifully rendered, imaginative new geometrical designs. 46 designs.

Over 100 ingeniously constructed designs form dazzling optical illusions and geometric shapes, offering ample opportunities for imaginative and inventive colori

Look long enough at these designs and they'll boggle the mind and deceive the eye. Thirty-one amazing images can be colored to emphasize their solidity or shape

Color 16 squares, rectangles, circles, triangles, other geometrical patterns on translucent paper with crayons, paints, felt-tip pens for brilliant glow when pl

Beware, the designs herein may boggle your mind and confound your eyes. Does the cube go in or out, is the line straight or curved? You'll have fun deciding whi